文件夹

Aria/src/main/java/com/arialyy/aria/util/FileUtil.java

@@ -0,0 +1,103 @@
+package com.arialyy.aria.util;
+
+import android.content.Context;
+import android.content.pm.ApplicationInfo;
+import android.content.pm.PackageInfo;
+import android.content.pm.PackageManager;
+import android.graphics.drawable.Drawable;
+import android.graphics.drawable.Icon;
+import com.arialyy.aria.window.FileEntity;
+import java.io.File;
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * Created by Aria.Lao on 2017/3/21.
+ */
+
+public class FileUtil {
+
+  Context mContext;
+
+  public FileUtil(Context context) {
+    mContext = context;
+  }
+
+  /**
+   * 文件列表
+   */
+  public List<FileEntity> loadFiles(String path) {
+    File file = new File(path);
+    File[] files = file.listFiles();
+    List<FileEntity> list = new ArrayList<>();
+    for (File f : files) {
+      FileEntity entity = new FileEntity();
+      entity.fileName = f.getName();
+      //entity.fileInfo = getFileType(f.getPath());
+      //entity.fileDrawable = getApkIcon(mContext, f.getPath());
+      list.add(entity);
+    }
+    return list;
+  }
+
+  /**
+   * 获取文件类型
+   */
+  public FileType getFileType(String path) {
+    String exName = getExName(path);
+    String type = "";
+    FileType fType = null;
+    if (exName.equalsIgnoreCase("apk")) {
+      fType = new FileType("应用", getApkIcon(path));
+    } else if (exName.equalsIgnoreCase("img")
+        || exName.equalsIgnoreCase("png")
+        || exName.equalsIgnoreCase("jpg")
+        || exName.equalsIgnoreCase("jepg")) {
+      //fType = new FileType("图片", )
+    } else if (exName.equalsIgnoreCase("mp3") || exName.equalsIgnoreCase("wm")) {
+      //fType = new FileType("音乐", );
+    } else if (exName.equalsIgnoreCase("mp4")
+        || exName.equalsIgnoreCase("rm")
+        || exName.equalsIgnoreCase("rmvb")) {
+      //fType = new FileType("视频", );
+    } return fType;
+  }
+
+  /**
+   * 获取扩展名
+   */
+  public String getExName(String path) {
+    int separatorIndex = path.lastIndexOf(".");
+    return (separatorIndex < 0) ? path : path.substring(separatorIndex + 1, path.length());
+  }
+
+  /**
+   * 获取apk文件的icon
+   *
+   * @param path apk文件路径
+   */
+  public Drawable getApkIcon(String path) {
+    PackageManager pm = mContext.getPackageManager();
+    PackageInfo info = pm.getPackageArchiveInfo(path, PackageManager.GET_ACTIVITIES);
+    if (info != null) {
+      ApplicationInfo appInfo = info.applicationInfo;
+      //android有bug，需要下面这两句话来修复才能获取apk图片
+      appInfo.sourceDir = path;
+      appInfo.publicSourceDir = path;
+      //			    String packageName = appInfo.packageName;  //得到安装包名称
+      //	            String version=info.versionName;       //得到版本信息
+      return pm.getApplicationIcon(appInfo);
+    }
+    return null;
+  }
+
+  class FileType {
+    String name;
+    Drawable icon;
+
+    public FileType(String name, Drawable icon) {
+      this.name = name;
+      this.icon = icon;
+    }
+  }
+}

Aria/src/main/java/com/arialyy/aria/window/AriaFileChangeActivity.java

@@ -0,0 +1,55 @@
+package com.arialyy.aria.window;
+
+import android.os.Bundle;
+import android.os.Environment;
+import android.support.annotation.Nullable;
+import android.support.v4.app.FragmentActivity;
+import android.widget.AbsListView;
+import android.widget.ListView;
+import com.arialyy.aria.R;
+import com.arialyy.aria.util.FileUtil;
+import java.io.File;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+/**
+ * Created by Aria.Lao on 2017/3/21.
+ * 文件选择
+ */
+public class AriaFileChangeActivity extends FragmentActivity {
+  final String ROOT_PAT = Environment.getExternalStorageDirectory().getPath();
+  ListView mList;
+  FileChangeAdapter mAdapter;
+  Map<String, List<FileEntity>> mData = new HashMap<>();
+  private String mCurrentPath = ROOT_PAT;
+
+  @Override protected void onCreate(@Nullable Bundle savedInstanceState) {
+    super.onCreate(savedInstanceState);
+    setContentView(R.layout.activity_aria_file_shange);
+    mList = (ListView) findViewById(R.id.list);
+    mList.setOnScrollListener(new AbsListView.OnScrollListener() {
+      int state;
+
+      @Override public void onScrollStateChanged(AbsListView view, int scrollState) {
+        state = scrollState;
+      }
+
+      @Override public void onScroll(AbsListView view, int firstVisibleItem, int visibleItemCount,
+          int totalItemCount) {
+        if (state == AbsListView.OnScrollListener.SCROLL_STATE_IDLE
+            && firstVisibleItem + visibleItemCount == totalItemCount) {
+          loadMore();
+        }
+      }
+    });
+  }
+
+  private void loadMore() {
+
+  }
+
+
+
+}

Aria/src/main/java/com/arialyy/aria/window/FileChangeAdapter.java

@@ -0,0 +1,77 @@
+package com.arialyy.aria.window;
+
+import android.content.Context;
+import android.util.SparseBooleanArray;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.BaseAdapter;
+import android.widget.CheckBox;
+import android.widget.ImageView;
+import android.widget.TextView;
+import com.arialyy.aria.R;
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * Created by Aria.Lao on 2017/3/21.
+ */
+final class FileChangeAdapter extends BaseAdapter {
+
+  List<FileEntity> mData = new ArrayList<>();
+  SparseBooleanArray mCheck = new SparseBooleanArray();
+  Context mContext;
+
+  public FileChangeAdapter(Context context, List<FileEntity> list) {
+    mContext = context;
+    mData.addAll(list);
+    for (int i = 0, len = mData.size(); i < len; i++) {
+      mCheck.append(i, false);
+    }
+  }
+
+  @Override public int getCount() {
+    return mData.size();
+  }
+
+  @Override public Object getItem(int position) {
+    return null;
+  }
+
+  @Override public long getItemId(int position) {
+    return 0;
+  }
+
+  @Override public View getView(int position, View convertView, ViewGroup parent) {
+    FileChangeHolder holder = null;
+    if (convertView == null) {
+      convertView = LayoutInflater.from(mContext).inflate(R.layout.item_file, null);
+      holder = new FileChangeHolder(convertView);
+      convertView.setTag(holder);
+    } else {
+      holder = (FileChangeHolder) convertView.getTag();
+    }
+
+    holder.checkBox.setChecked(mCheck.get(position, false));
+    return convertView;
+  }
+
+  public void setCheck(int position, boolean check) {
+    if (position >= mData.size()) return;
+    mCheck.put(position, check);
+    notifyDataSetChanged();
+  }
+
+  private static class FileChangeHolder {
+    TextView title, info;
+    ImageView icon;
+    CheckBox checkBox;
+
+    FileChangeHolder(View view) {
+      title = (TextView) view.findViewById(R.id.title);
+      info = (TextView) view.findViewById(R.id.info);
+      icon = (ImageView) view.findViewById(R.id.icon);
+      checkBox = (CheckBox) view.findViewById(R.id.checkbox);
+    }
+  }
+}

Aria/src/main/java/com/arialyy/aria/window/FileEntity.java

@@ -0,0 +1,14 @@
+package com.arialyy.aria.window;
+
+import android.graphics.drawable.Drawable;
+
+/**
+ * Created by Aria.Lao on 2017/3/21.
+ */
+
+public class FileEntity {
+  public String fileName;
+  public String fileInfo;
+  public int fileIcon;
+  public Drawable fileDrawable;
+}

Aria/src/main/res/layout/activity_aria_file_shange.xml

@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:orientation="vertical"
+    >
+
+  <ListView
+      android:id="@+id/list"
+      android:layout_width="match_parent"
+      android:layout_height="match_parent"
+      />
+
+</LinearLayout>

Aria/src/main/res/layout/item_file.xml

@@ -0,0 +1,51 @@
+<?xml version="1.0" encoding="utf-8"?>
+<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:orientation="vertical"
+    android:padding="16dp"
+    >
+
+  <CheckBox
+      android:id="@+id/checkbox"
+      android:layout_width="wrap_content"
+      android:layout_height="wrap_content"
+      android:layout_alignParentRight="true"
+      android:layout_centerVertical="true"
+      android:clickable="false"
+      />
+
+  <ImageView
+      android:id="@+id/img"
+      android:layout_width="50dp"
+      android:layout_height="50dp"
+      android:layout_centerVertical="true"
+      />
+
+  <TextView
+      android:id="@+id/title"
+      android:layout_width="wrap_content"
+      android:layout_height="wrap_content"
+      android:layout_alignTop="@+id/img"
+      android:layout_marginLeft="10dp"
+      android:layout_marginRight="5dp"
+      android:layout_toLeftOf="@+id/checkbox"
+      android:layout_toRightOf="@+id/img"
+      android:ellipsize="end"
+      android:maxLines="1"
+      android:textSize="18sp"
+      android:textStyle="bold"
+      />
+
+  <TextView
+      android:id="@+id/info"
+      android:layout_width="wrap_content"
+      android:layout_height="wrap_content"
+      android:layout_alignLeft="@+id/title"
+      android:layout_below="@+id/title"
+      android:layout_marginRight="5dp"
+      android:layout_marginTop="10dp"
+      android:layout_toLeftOf="@+id/checkbox"
+      />
+
+</RelativeLayout>

Aria/src/main/res/values/strings.xml

@@ -1,5 +1,5 @@
 <resources>
-  <string name="app_name">DownloadUtil</string>
+  <string name="app_name">Aria</string>
 
   <string name="error_entity_null">下载实体不能为空</string>
   <string name="error_download_url_null">下载链接不能为空</string>